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Announcements:
· HW: Ch. 1, P: 1, 3, 4, 5, 7, 10, 15, 21 And Solve: 1. Find x if: exp(x) = 1 2. Find x if: sin(x) = 0.35 3. Integrate x^2 with respect to dx from x=0 to x=1 4. What's the derivative of: 3x^3 + 2x^2 - x + 3 5. What's the area and circumference of a circle of radius 2.5 m? 6. Solve for x if: 20/x = x - 1 7. Find all side lengths and all angles for a right triangle with smallest two side of lengths 9 and 7. · No lab this week. Starts next week. · First quiz Thursday over units, math, scientific notation. Take attendance, learn names, Introduce class, go over syllabus. Review math: algebra, geometry, trig, exponentials, derivatives, integrals. Go over units. Work problems in class. |
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Announcements:
° HW: Ch. 2, Q: 1-4; P: 1, 3, 5, 7, 11, 17, 20 ° Pass out lab manuals. Lab starts next Wednesday. ° No class Tuesday, will make up as review for test. Take attendance, learn names. Continue Ch. 1: · Discuss what mass, time, and length are. · Do some density problems. Go over questions about homework. Review for Quiz. Take Quiz. Start Chapter 2: § Need to describe motion, don't worry about why something moves as it does. § Position, Speed, Velocity, Acceleration § Should be able to understand and create graphs. |
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Announcements:
° HW: Ch. 2, Q: 5, 7, 8; P: 22, 24, 25, 27, 33, 35, 40, 42, 45, 49 ° Tutor Hours start Feb 17: M: 2-4pm, T & Th: 11-noon ° Pass back quizzes. Make sure to answer question asked. Show work. ° We have a quiz next Tuesday (2/18). ° Starting web page for tips on how to solve problems. Take attendance, learn names. Continue Ch. 2: · Questions on HW · Review what we did last week. · Constant Acceleration. · Free-fall Acceleration. |
| Snow day. |
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Announcements:
° HW: Ch. 3: Q: 1; P: 1,3,5,7,11,13,19 ° First text next Thursday. ° Tuesday finish up with vectors (not multiplication) ° We'll also review problems from the green book. Will post them tomorrow. Field questions from Chapter 2. Take Quiz. Start Chapter 3 Vectors: § Why do we need vectors? § Vectors combine (at least) two different pieces of information § Vectors can be written in different ways § Adding and subtracting vectors Review Problems from green book: § Ch. 1: P: 31, 37, 39, 43 § Ch. 2: Q: 10, 15 § P: 67, 72, 76, 77, 78, 80, 83, 85, 89 § Ch. 3: P: 40ab, 47, 48, 49, 50, 51, 53 |
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Announcements:
° Test Thursday. ° Return quizzes. ° Pass out equation sheets. More Vector Examples: § Adding by parallelagram § Vectors in other quadrants. § Adding vectors when given strange angles. § Decomposing vector onto any coordinates Questions on HW. Review: § Converting units. § Understanding x,v,a § Constant acceleration equations § Projectile motion in 1d § Vectors in different forms § Decomposing Vectors § Adding and subtracting vectors |
| TEST 1 |
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Announcements:
° Quiz Thursday. Return tests: § discuss test grades (red numbers) § discuss class grades (black numbers) § go over tests Finish up: Vector Multiplication: § Coordinates don't matter § multiply by a scalar § vectors: dot product § vectors: cross product § HW: Ch. 3 Q: 9, 10; P: 29, 31, 37 Motion in 2 and 3 Dimensions: § Position, velocity and acceleration as vectors § Projectile Motion · Demo 1: Two falling balls · Demo 2: The Hunter § OMIT: Section 4.8 & 4.9 "Relative Motion..." § HW: Ch. 4 Q: 1, 3, 4, 5; P: 3, 4, 6, 9, 13, 17, 19, 25, 29, 35 |
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Announcements:
° Thursday last day before Spring Break. ° Start Chapter 5 Thursday Questions/Review from beginning of Chapter 4. Take Quiz. Postponed Finish Chapter 4: § Examples of projectile motion § Circular Motion § HW: Ch. 4 Q: 6, 9, 11, 12, 13; P: 43, 45, 49, 51 |
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Announcements:
° Have a good Spring Break ° HW: Ch. 5 Q: 3, 4, 5, 9, 10, 12 P: 3, 5, 7, 11, 15, 19 Take Quiz 3. Start Chapter 5: § What is Force § Newton's Laws § Working Force Problems |
| SPRING BREAK |
| SPRING BREAK |
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Announcements:
° Test next week. ° More HW Ch 5: P: 27, 29, 31, 33,49, 52 ° Review Problems from Green Book: -- Ch. 3 Q: 15, 17, 18, 19, 22; P: 46, 54, 55 -- Ch. 4 Q: 16, 22, 23; P: 69, 71, 75, 81, 83, 89, 90, 91 -- Ch. 5 Q: 13, 15, 16, 18, 19, 21*; P: 57, 58, 59*, 63, 67, 71, 76 Review Chapter 5: § Adding Forces; Net Force; Separating x- and y- components § Newton's Laws § Working Force Problems Start Chapter 6: § Friction |
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Announcements:
° Test Tuesday. ° HW Ch. 6 Q: 1a, 3, 4; P: 1, 2, 3 ° Pass out Eq. Sheet Fake Test questions Review Go over Review Problems |
| Test 2 |
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Announcements:
° Quiz Tuesday. ° HW Ch. 6 P: 37, 39, 41 ° HW Ch. 7 Q: 2, 7, 8; P: 1, 3, 4, 7, 16, 17 Hand back tests: ° Test averages: T1: 79% T2: 64% ° Average black number: 74% Finish Chapter 6: § centripetal force is force needed to stay in circle § can be provided by, eg: friction, gravity, tension, etc § direction: points to center of circle § magnitude: mv^2/r Start Chapter 7: § energy: perhaps most important concept in class § energy: scalar associated with a system § energy: many forms (extends to biology, chemistry, etc) § energy: we use it because it helps § energy: unit: Joule § kinetic energy: associated with motion; mv^2/2 § work: energy transfered by a force acting on object § derivation of work from kinematical equations § work done by gravity |
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Announcements:
° Quiz Today. ° HW Ch. 7: Q: 10, 13; P: 21, 22, 25, 31, 33, 37 Discuss car driving experiences Some KE and Work examples Go over homework Take Quiz Pass out Hooke's Law Handout Finish Chapter 7: § Hooke's Law § Work w/ a variable Force § Example spring problems § Power |
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Announcements:
° Hand Back Quizzes ° Quiz on Tuesday ° No class next week/Thursday ° HW Ch. 8: Q: 3, 4, 5; P: 1, 3, 6, 13 ° Review Problems from Green Book: Ch. 6: P: 61-4 Ch. 7: Q: 14, 18, 19; P: 44 Start Chapter 8: § Potential Energy § Conservative/Nonconservative Forces § Path Independence for Conservative Forces § Change in Potential Energy equals negative work § Gravitational Potential Energy § Spring Potential Energy § Handout for Pendulum |
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Announcements:
° Quiz Today ° No class Thursday ° Test week from Thursday ° Final Exam date: May 15 noon-2:30 PM ° HW Ch. 8: Q: 6, 7, 8, 9; P: 16, 17, 18a, 19, 25, 27, 35, 36, 37, 39, 44, 54, 59 Roller coaster demonstration Go over homework Take quiz Finish Chapter 8: § Potential Energy Curves (turning point, types of equilibriums, force) § Account for friction § Power Equation Sheet (PDF) Review Problems from Green Book: Ch. 8: Q: 12, 13, 16; P: 69, 70, 73ab, 74, 79, 89 |
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Announcements:
° Hand Back Quizzes ° Test Thursday (12:30pm CH-237; End of Ch. 6, Ch. 7, Ch. 8, beginning of Ch. 9) ° HW Ch. 9: Q: 1, 3abc; P: 1, 2, 21, 27, 29 Review Potential Energy Curves: quiz class Go over homework questions Beginning of Chapter 9: § Center of Mass § Linear Momentum: Particles and Systems § Conservation of Linear Momentum (for closed, isolated system) |
| Test 3 |
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Announcements:
° Hand Back Tests ° Quiz Thursday ° HW Ch. 11: Q: 4, 5, 7, 8; P: 1, 2, 5, 9, 17, 19, 21, 29, 33, 37, 50, 57, 60, 66 ° Exclude Section 11-10 Cover Chapter 11: Rotation § Angular variables: angular position, displacement, velocity, acceleration § Constant angular acceleration motion § Kinetic Energy of Rotation § Rotational Inertia (Demo) § Torque & Newton's Second Law for Rotation |
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Announcements:
° HW Ch. 15: Q: 1, 3, 4, 5, 9, 10; P: 1, 3, 5*, 8, 12, 13, 23, 27, 29, 30, 35, 39, 43, 45, 53 ° Exclude Sections 15-5, 15-8 ° Will have review session May 14. ° Last chapter Tuesday: Gravitation ° Will have quiz Thursday ° Review Problems from Green Book: Ch. 11: Q: 14, 15, 18, 19; P: 72, 73, 77, 81, 83, 84, 87, 94, 100 Field questions about Rotation. Fluid demos: (Magdeburg sphere, balloon in bottle, blowing up a garbage bag, holes in a 2-liter bottle) Take Quiz 6 Cover Chapter 15: Fluids § Density and Pressure § Units of pressure: Pascal (Pa), atm, psi, torr § Pressure at depth § Pascal's Principle § Archimede's Principle § |
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Announcements:
° Teaching Evaluations ° HW Ch. 14: Q: 1, 2, 10; P: 1, 2*, 4, 5, 6, 7, 9, 14, 15, 23, 24, 30, 33, 39 ° Exclude Sections 14-7,8,9 ° Quiz Thursday (Over 15 or 14?) ° Review Problems from Green Book: Ch. P: 66, 67, 69, 71, 74, 76, 79, 85, 86, Hand back quizzes Chapter 14: Gravitation § Newton's Law of Gravitation § Gravitational Constant § Shell Theorems: Inside & Outside § Gravitational Acceleration on a Planet § Superposition § Gravitational Potential Energy § Escape Speed |
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Announcements:
° Quiz (Over 15 and 14) ° Schedule Review for May 14 ° Review Problems from Green Book: Ch. 14: Q: 13, 24, 26; P: 76, 84, 85, 90, 94 Questions about 15 (Fluids) and 14 (Gravity) Take Quiz Review |
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Equation Sheet (PDF) for the Final. |